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Forged flange

A Forged flange is a metal disc, installed at the back of a tube, valve or any other object. It permits easy installation and removal of a piping system.

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Forged flange

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  1. FORGED FLANGES

  2. What is a Forged flange? • A Forged flange is a metal disc, installed at the back of a tube, valve or any other object. • It permits easy installation and removal of a piping system. • Like other flanges, forged flanges too, act as a connecting device between two pipes or tubes.

  3. Why is it called a ‘Forged’ flange? • Forged flanges undergo the process of ‘forging’. Forging happens when two energies – Thermal and Mechanical, are applied to a steel flange, thereby changing its shape when in a solid state.

  4. Which flanges come under Forged flanges? • Weld Neck – These flanges are welded to the base of the pipe. They allow continuous product flow and reduces turbulence and erosion at the joints too. • Slip On – They have bores with a diameter slightly larger than the pipe; helping them to slide\slip over. They are welded inside and outside too, with fillet welding.

  5. Socket– These flanges are counter-bored i.e. the bore of the flange and pipe, both are same, thereby providing a good flow of the product through the tube. • Lap Joint – Manufactured with a stub end, these flanges swing over the pipe. As they do not come in contact with the inner fluid, they do not corrode.

  6. Threaded– The bore of these flanges has threads that fit to pipes that have external threads, thereby diminishing the need for welding. • Blind– These are mostly used to seal the end or opening of a pipe, which is why they come without a bore.

  7. What are the merits of Forged flanges? Where are they used? • Forged flanges can handle impact better than Cast flanges, thus making them a superior choice. • Forged flanges eliminate any absorbency, cavities and shrinkage, thus making them all the more durable. • They are stronger and reliable than cast flanges.

  8. Although they require high production cost, forged flanges have higher resistance to corrosion. • Industries dealing with chemicals, Oil and refineries, shipbuilding, petrochemicals, gas processing and distribution use them.

  9. For more information on Forged flanges visit http://www.ganpatind.com

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